The Horde Application Framework is a modular, general-purpose Web application framework. It provides an extensive array of classes that are targeted at the common problems and tasks involved in developing modern Web applications.

Seed7 is a general purpose programming language.
It is a higher level language compared to Ada,
C++, and Java. In Seed7, new statements and
operators can be declared easily. Functions with
type results and type parameters are more elegant
than a template or generics concept. Object
orientation is used when it brings advantages and
not in places when other solutions are more
obvious. Although Seed7 contains several concepts
of other programming languages, it is generally
not considered as a direct descendant of any other
programming language.

The SeaMonkey project is a community effort to develop an all-in-one Internet application suite. It contains an Internet browser, email and newsgroup client with an included Web feed reader, HTML editor, IRC chat, and Web development tools, and is sure to appeal to advanced users, Web developers, and corporate users. It uses much of the Mozilla source code powering such successful siblings as Firefox, Thunderbird, Camino, Sunbird, and Miro.

The adventure PHP framework (APF) is a utility to implement object oriented and generic PHP Web applications. It allows the developer to create programs in compliance with approved software design patterns, and the code base already has answers to many everyday problems. The framework cannot be described as an application that only has to be configured, but rather as a technical basis and design guide for the design of software. Further, it introduced many concepts and efficiency tools already well known in the Java community.

ToPIA (short for Tools for Portable and Independent Architecture) is a technical platform abstraction framework. It consists of a persistence module and services for migration, replication, and security.

Distributed Multiplatform Framework is a
component-based programming framework using XML
(or currently a hardcoded variant) as the
repository. The samples are implemented either in
console or wxWidgets. This shows the independence
of the GUI or UI.

CUPS is a standards-based printing system for Mac OS X and other Unix-like operating systems. It provides the System V and Berkeley command line interfaces, and uses the Internet Printing Protocol ("IPP") as the basis for managing print jobs and queues. The Line Printer Daemon (LPD) Server Message Block (SMB), and AppSocket (a.k.a. JetDirect) protocols are also supported with reduced functionality. CUPS adds network printer browsing and PostScript Printer Description ("PPD") based printing options to support real world printing.

JasperReports is a Java reporting library. XML
report templates are used to generate ready to
print documents using data from customizable data
sources, including JDBC. The output can be
delivered to the screen, printer, or stored in
PDF, HTML, XLS, RTF, CSV, and XML format.

Mpg123 is a fast, free and portable MPEG audio player and decoder library mainly for Unix (but also ported to other platforms). It supports MPEG 1.0/2.0/2.5 layers 1, 2, and 3, with CD quality playback even on relatively slow CPUs.